/*
 * Copyright (c) 2020 - present, Inspur Genersoft Co., Ltd.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *       http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

/*
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *       http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.inspur.edp.cef.generator.coreGenerator.base.entitygen.method;

import com.inspur.edp.caf.generator.baseInfo.ParameterInfo;
import com.inspur.edp.caf.generator.baseInfo.TypeInfo;
import com.inspur.edp.caf.generator.method.ClassMethodGenerator;
import com.inspur.edp.cef.generator.coreGenerator.base.entitygen.EntityGeneratorContext;
import java.util.ArrayList;
import org.eclipse.jdt.core.dom.Block;
import org.eclipse.jdt.core.dom.MethodInvocation;
import org.eclipse.jdt.core.dom.Modifier;
import org.eclipse.jdt.core.dom.ReturnStatement;
import org.eclipse.jdt.core.dom.SimpleName;

public class GetDataPropNamesGenerator extends ClassMethodGenerator {

  private static final String MethodName = "innerGetPropertyNames";
  private static final String getPropertyNameMethodName = "getPropertyNames";
  private static final String getResourceInfoMethodName = "getResourceInfo";
  private EntityGeneratorContext context;
  private String dataClassName;

  public GetDataPropNamesGenerator(EntityGeneratorContext context, String dataClassName) {
    this.context = context;
    this.dataClassName = dataClassName;
  }

  @Override
  protected String getMethodName() {
    return MethodName;
  }

  @Override
  protected TypeInfo getReturnType() {
    TypeInfo typeInfo = new TypeInfo(ArrayList.class.getTypeName());
    typeInfo.setIsParameterizedType(true);
    typeInfo.getArguments().add(new TypeInfo(String.class.getTypeName()));
    return typeInfo;
  }

  @Override
  protected boolean getIsOverride() {
    return true;
  }

  @Override
  protected ArrayList<Modifier.ModifierKeyword> getAccessModifiers() {
    ArrayList<Modifier.ModifierKeyword> list = new ArrayList<>();
    list.add(Modifier.ModifierKeyword.PROTECTED_KEYWORD);
    return list;
  }

  @Override
  protected ArrayList<ParameterInfo> getParameterCollection() {
    return null;
  }

  @Override
  protected boolean buildIsConstructor() {
    return super.buildIsConstructor();
  }

  @Override
  protected Block buildMethodBody() {
    Block block = ast.newBlock();
    ReturnStatement returnStatement = ast.newReturnStatement();
    MethodInvocation getPropertyNameMethodInvocation = ast.newMethodInvocation();
    getPropertyNameMethodInvocation.setName(ast.newSimpleName(getPropertyNameMethodName));
    MethodInvocation getResourceInfoMethodInvocation = ast.newMethodInvocation();
    getResourceInfoMethodInvocation.setName(ast.newSimpleName(getResourceInfoMethodName));
    getResourceInfoMethodInvocation.setExpression(getEntityClassName());
    getPropertyNameMethodInvocation.setExpression(getResourceInfoMethodInvocation);
    returnStatement.setExpression(getPropertyNameMethodInvocation);
    block.statements().add(returnStatement);
    return block;
  }

  private SimpleName getEntityClassName() {
      if (dataClassName.endsWith("VariableData")) {
        return ast.newSimpleName(dataClassName.substring(0, dataClassName.length() - 4) + "entity");
      }
      return ast.newSimpleName(dataClassName.substring(0, dataClassName.length() - 4) + "Entity");
  }
}
